◆ The rack is made of high quality carbon steel, strong thrusting, stable running. Especially suitable for various smoke exhaust ventilation window &skylights.
◆ Designed life: more than 30000 times push-pull cycles.
◆ Terminals built-in, convenient for fire control wiring.
◆ Overload protection circuits built-in, linkage of multi-machines.
◆ Protection class: IP54.
◆ The best choice for skylight, and can be used for daily natural ventilation.
◆ The stroke can be customized according to customer requirements.
◆ In conformity with GB/T 19001-2008, passed the CE &CCCF certification.
技术参数/Technical Date